As the "Flying Geese Pattern"has collapsed in which Japan acted as the leader of East Asia, the "Headed Train Pattern" which has not only Japan’s pull in the front but also China’s push at the back also fails in the East Asian economic development. At present, China has the conditions to lead the economic development of East Asia and has an increasingly prominent pull effect on East Asian economy in many areas such as investment. The new role takes both opportunities and challenges for China.